{1} | {2} | {3} | {1,2}{1,3} (George Sicherman) | {1,4} | {2,3} | {2,4} | {2,5} (George Sicherman) | {3,4} (unique) | {3,5} | {3,6} | {3,7} (unique) | {3,8} (George Sicherman) | {1,2,3} | {1,2,4} | {1,2,5} (George Sicherman) | {1,3,4} | {1,3,5} | {1,3,6} (George Sicherman) | {1,3,7} (George Sicherman) | {1,3,8} (George Sicherman) | {2,3,4} | {2,3,5} (George Sicherman) | {2,3,6} | {2,3,7} | {2,3,8} (George Sicherman) | {2,4,5} | {2,4,6} | {3,4,5} (George Sicherman) | {3,4,6} (George Sicherman) | {3,4,7} (George Sicherman) | {3,4,8} | {3,5,6} (unique) | |